UISearchDisplayController UISearchBar

分组表+本地搜索 UISearchDisplayController  UISearchBar 的使用

效果图

@interface CityListViewController :UIViewController<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate>

@property (nonatomic, retain) UITableView*mTableView;

@property (nonatomic, retain) NSArray*dataList;

@property (nonatomic, retain) NSArray*searchData;

@property (nonatomic, retain)NSMutableArray *allCitys;

@property (nonatomic, retain) UISearchBar*mSearchBar;

@property (nonatomic, retain)UISearchDisplayController *searchController;

@end

#import"CityListViewController.h"

#import "AppDelegate.h"

- (void)viewDidLoad

{

//初始化分组表

self.mTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 88,320, 480) style:UITableViewStyleGrouped];

self.mTableView.delegate = self;

self.mTableView.dataSource = self;

[self.mTableViewsetContentSize:CGSizeMake(320, 3000)];

//初始化搜索条

self.mSearchBar = [[UISearchBar alloc]initWithFrame:CGRectMake(0, 44, 320, 44)];

[self.mSearchBarsetBackgroundImage:[UIImage imageNamed:@"nav_bg.png"]];

[self.mSearchBar setPlaceholder:@"搜索城市"];

self.mSearchBar.delegate = self;

[self.mSearchBar sizeToFit];

//初始化UISearchDisplayController

self.searchController =[[UISearchDisplayController alloc] initWithSearchBar:self.mSearchBarcontentsController:self];

self.searchController.searchResultsDelegate= self;

self.searchController.searchResultsDataSource = self;

self.searchController.delegate = self;

//解析数据源文件

NSString *path = [[NSBundle mainBundle]pathForResource:@"Provineces" ofType:@"plist"];

self.dataList = [NSMutableArrayarrayWithContentsOfFile:path];

//确定每个分组的行数

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

if([tableViewisEqual:self.searchController.searchResultsTableView]){

NSLog(@"searchData count is%d",[self.searchData count]);

return [self.searchData count];

}

else{

NSDictionary *dic = [self.dataListobjectAtIndex:section];

NSArray *cityCount = [dicobjectForKey:@"Citys"];

int count = (int)[cityCount count];

for(int i = 0;i<count-1;i++){

NSDictionary *d = [cityCountobjectAtIndex:i];

NSString *Name = [dobjectForKey:@"C_Name"];

[self.allCitys addObject:Name];

}

return [cityCount count];

}

}

//分组的个数

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

if([tableViewisEqual:self.searchController.searchResultsTableView])

return 1;

else

return [self.dataList count];

}

//每个分组的Header

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section

{

NSString *HeaderName;

if([tableViewisEqual:self.searchController.searchResultsTableView]){

HeaderName = @"搜索结果";

}else{

NSDictionary *dict = [self.dataListobjectAtIndex:section];

HeaderName = [dictobjectForKey:@"p_Name"];

return HeaderName;

}

return HeaderName;

}

#pragma mark - UISearchDisplayControllerdelegate methods

-(void)filterContentForSearchText:(NSString*)searchText                              scope:(NSString*)scope {

NSMutableArray *searchResult =[[NSMutableArray alloc] initWithCapacity:0];

int j =(int)  [self.allCitys count];

for (int i = 0; i<j-1; i++) {

NSString *str = [self.allCitysobjectAtIndex:i];

if([strrangeOfString:searchText].location != NSNotFound )

{

[searchResult addObject:str];

}

}

self.searchData = [NSArrayarrayWithArray:searchResult];

[searchResult release];

}

-(BOOL)searchDisplayController:(UISearchDisplayController*)controller shouldReloadTableForSearchString:(NSString *)searchString {

[selffilterContentForSearchText:searchString

scope:[[self.searchDisplayController.searchBar scopeButtonTitles]                                      objectAtIndex:[self.searchDisplayController.searchBar                                                     selectedScopeButtonIndex]]];

return YES;

}

-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption {

[selffilterContentForSearchText:[self.searchDisplayController.searchBar text]                                scope:[[self.searchDisplayController.searchBar scopeButtonTitles]                                      objectAtIndex:searchOption]];

return YES;

}

//tableView cell刷新数据

-(UITableViewCell *) tableView:(UITableView *)tableViewcellForRowAtIndexPath:(NSIndexPath *)indexPath

{

static NSString *cellName =@"cellName";

UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:cellName];

if(cell == nil)

{

cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellName];

}

if([tableViewisEqual:self.searchController.searchResultsTableView]){

cell.textLabel.text = [self.searchDataobjectAtIndex:indexPath.row];

}else{

NSDictionary *dict = [self.dataListobjectAtIndex:[indexPath section]];

NSArray *shengfen = [dictobjectForKey:@"Citys"];

NSDictionary *citys = [shengfenobjectAtIndex:indexPath.row];

NSString *Name = [citysobjectForKey:@"C_Name"];

cell.textLabel.text = Name;

//[self.allCitys addObject:Name];

}

return cell;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath

{

if([tableViewisEqual:self.searchController.searchResultsTableView]){

self.cityName = [self.searchDataobjectAtIndex:indexPath.row];

((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName;

}else{

self.cityName = [[[[self.dataListobjectAtIndex:indexPath.section] objectForKey:@"Citys"]objectAtIndex:indexPath.row] objectForKey:@"C_Name"];

((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName;

}

[self.navigationControllerpopToRootViewControllerAnimated:YES];

}